Marek, a crime squad officer, sets out to avenge the death of his partner and best friend, who was killed by drug traffickers. He asks for a posting to a new undercover unit created to infiltrate a drug gang that imports hashish from Morocco using the "Go Fast" method. A fleet of high-powered speedboats and cars races across the Mediterranean to Spain and then France, loaded with drugs.

Because of a motorcycle accident, a young man from the poor outskirts of Paris must find a steady job in order to avoid being sent to prison. He gets into more trouble trying to do that.